I started getting RSI in the early 2000s and switching to a Kinesis Advantage fixed it all. Occasionally I get sore when I use my laptop without the Kinesis fo

I started getting RSI in the early 2000s and switching to a Kinesis Advantage fixed it all. Occasionally I get sore when I use my laptop without the Kinesis for extended periods of time, but the Kinesis is all I need. I think also using a trackball helps a lot as well.